ignition MERCEDES-BENZ E CLASS 2019 Owners Manual

Restraint system functionality
Whenthe ignition is switched on, a self-test isperformed, during whichtheurestraint sys‐temwarning lamp lights up. It goes out no laterthan afew seconds afterthevehicle isstarted.The components oftherestraint system arethenfunctional.
Malfunctioningrestraint system
A malfunction has occurred intherestraint sys‐tem if:
Rtheurestraint systemwarning lamp doesnot light up whenthe ignition is switched on
Rtheurestraint systemwarning lamplights up continuously orrepeatedly during ajourney
\nWARNINGRisk of injuryorfatal injuryduetoa malfunction intherestraint sys‐tem
Iftherestraint system is malfunctioning,restraint system components may be trig‐
gered unintentionally or might not be trig‐gered at all intheevent of an accident. Thismay affectthe EmergencyTensioning Deviceor airbag,forexample.
Havetherestraint systemchecked andrepaired immediately at aqualified spe‐cialistworkshop.
Function oftherestraint system in an acci‐dent
Howtherestraint systemworks is determinedbythe severity ofthe impact detected andthe typeof accident anticipated:
RFrontal impact
RRear impact
RSide impact
RRollover
The activationthresholdsforthe components oftherestraint system are determined based ontheevaluation ofthe sensorvalues measured atvarious points inthevehicle. This process is pre-emptive in nature. The triggering/deployment of
the components oftherestraint system musttakeplace in good time atthestart ofthe colli‐sion.
Factors whichcan only be seen and measuredafter a collision has occurred do not play a deci‐siverole inthe deployment of an airbag.Nordotheyprovide an indication of airbag deployment.
Thevehicle may be deformed significantly with‐out an airbag being deployed. This isthe case ifonly parts which arerelatively easily deformedare affected andtherateofvehicle decelerationis not high. Conversely, an airbag may bedeployedeventhoughthevehicle suffersonlyminor deformation. Ifveryrigidvehicle partssuch as longitudinal members are hit,forexam‐ple,this mayresult in sufficiently high levels ofvehicle deceleration.
32Occupant safety

Switch onthe ignition.
Press seat beltextender button1.The seat beltextenderextends.
The seat beltextenderretracts again inthefol‐lowing cases:
RThe seat belttongue is engaged inthe seatbelt buckle
RThe seat belttongue is not engaged intheseat belt buckle within 60 seconds
Ifyou press seat beltextender button1again inthis case,the seat beltextender willextend again.
RTherespective door is opened
RYoufoldthe seat backrestforwards
RNobody is sitting inthe front passenger seat
Ifyou press seat beltextender button1again inthis case,the seat beltextender willno longerextend.
The seat beltextender mustalways beretractedwhilethevehicle is in motion.
Fastening seat belts
Ifthe seat belt is pulledquickly or sharply,theseat beltretractor locks. The seat beltstrap can‐not be pulled out any further.
Always engage seat belttongue2oftheseat belt into seat belt buckle1ofthe cor‐responding seat.
Vehicles with automatic front passengerfront airbag shutoff:
Occupant safety37

RThe front passenger sits in such awaythattheirweight israised fromthe sitting sur‐face.
\nWARNINGRisk of injuryor death duetodeactivated front passenger airbag
IfthePASSENGER AIRBAG OFF indicatorlamp is lit,the front passenger airbag is disa‐bled. It will not be deployed intheevent ofan accident and cannotperformits intendedprotective function.
A person inthe front passenger seat couldthen,forexample, come into contact withthevehicle interior, especially ifthe person issittingtoo closetothe cockpit.
Ifthe front passenger seat is occupied,always ensurethat:
RThe classification ofthe person inthefront passenger seat is correct andthefront passenger airbag is enabled or disa‐bled in accordance withthe person inthefront passenger seat.
RThe front passenger seat has been movedasfar back as possible.
RThe person is seated correctly.
Ensure, bothbefore and duringthe jour‐ney,thatthestatus ofthe frontpassenger airbag is correct.
Ifthe front passenger seat is occupied,the clas‐sification ofthe person orchildrestraint systemonthe front passenger seattakes place afterthefront passenger front airbag shutoff self-test.ThePASSENGER AIRBAG indicator lamps dis‐playthestatus ofthe front passenger front air‐bag.
Always observethe notes onthe function ofthePASSENGER AIRBAG indicator lamps(→page 43).
Function ofthePASSENGER AIRBAG indica‐tor lamps
Self-testof automatic front passenger frontairbag shutoffWhenthe ignition is switched on, a self-test isperformed during whichthe twoPASSENGERAIRBAG ON and OFF indicator lamps light upsimultaneously.
Occupant safety43

Ifthevehicle is not opened within approximately40 seconds after unlocking, it locksagain. Anti-theft protection is activated again.
Do notkeepthe SmartKeytogether with elec‐tronic devices or metal objects. This can affectthe SmartKey's functionality.
If batterycheck lamp2does not light upafter pressingthe6or7button,thebattery is discharged.
Replacingthe SmartKeybattery (→page64).
Activating/deactivating the acoustic lockingverification signal
Multimedia system:
VehicleîVehicle SettingsAcous-
tic Lock
Activatesor deactivateSthe function.
Activating/deactivating the panic alarm
Requirements:RThe ignition is switched off
The panic alarm function is onlyavailable incertain countries.
Toactivate:press button1for approx‐imatelyone second.A visual and audible alarm is triggered.Todeactivate:briefly press button1again.
or
Pressthestart/stop button onthe cockpit(the SmartKeyis insidethevehicle).
Changingthe unlocking settings
Possible unlocking functions ofthe SmartKey:
RCentral unlocking
RUnlockingthe driver's door and fuelfillerflap
Toswitch between settings:pressthe6and7buttons simultaneouslyforapproximately six seconds untilthe batterycheck lampflashes twice.
Ifthe unlocking functionforthe driver's doorand fuelfillerflap has been selected:
RPressingthe6button a second time cen‐trally unlocksthevehicle
RVehicles with KEYLESS-GO:Ifyoutouchthe inner surface ofthe door handle onthedriver's door, onlythe driver's door and fuelfillerflap are unlocked.
Deactivatingthe SmartKeyfunctions
Ifyou do not usethevehicle or a SmartKey foranextended period of time,you canreducetheenergy consumption oftherespective Smart‐Key .Todo so, deactivatethe SmartKeyfunc‐tions.
Opening and closing63

ProblemPossible causes/consequences andPPSolutions
RThe SmartKeyisfaulty.
Activatethe SmartKeyfunctions (→page 63).
Checkthe battery usingthe batterycheck lamp andreplace if necessary (→page64).
Usethe emergencykeytounlockor lockthevehicle (→page64).
Havethevehicle and SmartKeychecked at aqualified specialistworkshop.
Activating/deactivating the automatic lock‐ingfeature
Thevehicle is locked automatically whentheignition is switched on andthe wheels are turn‐ingfasterthanwalking pace.
Toactivate:press and hold button2forapproximatelyfiveseconds until an acousticsignal sounds.
Todeactivate:press and hold button1forapproximatelyfiveseconds until an acousticsignal sounds.
Inthefollowing situations,there is a danger ofbeing locked out whenthe function is activated:
RWhilethevehicle is beingtowstarted/pushed.
RThevehicle is beingtested onthe dynamom‐eter.
Opening and closing69

If someone is trapped,releasethe but‐ton immediately or pressthe button inordertoreopenthe side window.
\nWARNINGRisk of becoming trappedwhenchildren operatethe side windows
Children could become trapped iftheyoper‐atethe side windows, particularly when unat‐tended.
Activatethechild safety lockfortherear side windows.
When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Never leavechildren unattended inthevehicle.
Requirements:RThe power supply orthe ignition is switchedon.
1Closes
2Opens
The buttons onthe driver's doortakeprece‐dence.
Tostart automatic operation:pressthebbutton beyondthe point ofresistanceor pull andrelease it.
Tointerruptautomatic operation:press orpullthebbutton again.
Whenthevehicle is switched off,the side win‐dowscan continue being operated.
The function isavailablefor aroundfiveminutesor until a door is opened.
Automaticreversing function ofthe side win‐dowsIf an object blocksa side windowduringtheclosing process,the side window opens againautomatically.The automaticreversing functionis only an aid and is not a substituteforyourattentiveness.
When closing, make surethat no body partsare inthe closing area.
\nWARNINGRisk of becoming trappeddespitethere beingreversing protectiononthe side window
Thereversing function does notreact:
RTosoft, light andthin objects, e.g.fingers
RDuringresetting
78Opening and closing

Anti-theft protection
Function ofthe immobilizer
The immobilizer preventsyourvehicle from beingstarted withoutthe correct SmartKey.
The immobilizer is automatically activated whenthe ignition is switched off and deactivated whenthe ignition is switched on.
When leavingthevehicle, alwaystakethe Smart‐Key withyou and lockthevehicle. Anyone canstartthe engine if avalid SmartKeyhas been leftinsidethevehicle.
Intheeventthe engine cannotbestarted(yetthevehicle’sstarter battery ischarged),the system is not operational. Contact anauthorized Mercedes-Benz Center or call1-800-FOR-MERCedes (inthe USA) or1-800-387-0100(in Canada).
ATA(anti-theft alarmsystem)
Function oftheATAsystem
IftheATAsystem is armed, a visual and audiblealarm is triggered inthefollowing situations:
Rwhen a door is opened
Rwhenthe trunk lid is opened
Rwhenthe hood is opened
TheATAsystem is armed automatically afterapproximatelyten seconds inthefollowing situa‐tions:
Rafter lockingthevehicle withthe SmartKey
Rafter lockingthevehicle using KEYLESS-GO
Indicator lamp1flashes whentheATA systemis armed.
TheATA system is deactivated automatically inthefollowing situations:
Rafter unlockingthevehicle withthe SmartKey
Rafter pressingthestart/stop button withtheSmartKeyinthestowage compartment(→page139)
86Opening andclosing

Seats
Adjusting the front seat mechanically andelectrically (without Seat ComfortPackage)
\nWARNINGRisk of becoming trapped ifthe seats are adjustedbychildren
Children could become trapped iftheyadjustthe seats, particularly when unattended.
When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Never leavechildren unattended inthevehicle.
The seats can be adjusted whenthe ignition isswitched off.
\nWARNINGRisk of becoming trappedwhen adjustingthe seats
Whenyou adjust a seat,you orothervehicleoccupants could become trapped, e.g. ontheseat guiderail.
When adjusting a seat, make surethatno one has any body parts inthe sweepofthe seat.
Observethe safety notes on "Airbags" and "Chil‐dren inthevehicle".
\nWARNINGRisk of accident duetothedriver's seat not being engaged
Ifthe driver's seat is not engaged, it couldmoveunexpectedly whilethevehicle is inmotion.
This could causeyoutolose control ofthevehicle.
Always make surethatthe driver's seatis engaged beforestartingthevehicle.
\nWARNINGRisk of injuryfrom adjustingthevehicle settings whilethevehicle is inmotion
You could lose control ofthevehicle inthefollowing situations:
Rifyou adjustthe driver's seat,the headrestraint,thesteering wheel orthe mirrorwhilethevehicle is in motion
Rifyoufastenyour seat belt whilethevehi‐cle is in motion
Beforestartingthe engine: adjustthedriver's seat,the headrestraint,thesteering wheel orthe mirror andfastenyour seat belt.
\nWARNINGRisk of becoming trapped ifthe seat height is adjusted carelessly
Ifyou adjustthe seat height carelessly,youorothervehicle occupants could be trappedandthereby injured.
Seats andstowing89

Switchingthesteering wheel heater on or off
Requirements:RThe power supply orthe ignition is switchedon.
Turnthe lever inthe direction of arrow1or2.If indicator lamp3lights up,thesteeringwheel heater is switched on.
Easy entry andexitfeature
Usingthe easy entry andexitfeature
\nWARNINGRisk of accident when drivingoff while adjustingthe easyexitfeature
‑ Ifyou drive off whilethe easy entryandexitfeature is making adjustments,you couldlose control ofthevehicle.
Alwayswait untilthe adjustment proc‐ess is completebefore driving off.
\nWARNINGRisk of becoming trappedwhile adjustingthe easy entryandexitfeature
Whenthe easy entryandexitfeature adjuststhesteering wheel andthe driver's seat,youandothervehicle occupants – particularlychildren – could become trapped.
Duringthe adjustment process oftheeasy entryandexitfeature, make surethat no one has any body parts inthesweep ofthe seat orthesteering wheel.
Ifthere is arisk of becoming trappedbythesteering wheel:
Movethe adjustment lever ofthesteer‐ing wheel.The adjustment process isstopped.
Ifthere is arisk of becoming trappedbythedriver's seat:
Pressthe seat adjustment switch.The adjustment process isstopped.
Vehicles with memory function:You canstopthe adjustment processbypressing one ofthememory function position buttons.
\nWARNINGRisk of becoming trappedduring activation ofthe easy entryandexitfeaturebychildren
Ifchildren activatethe easy entryandexitfeature,theycan become trapped, particu‐larlywhen unattended.
Never leavechildren unattended inthevehicle.
100Seats andstowing

When leavingthevehicle, alwaystakethe SmartKeywithyou and lockthevehicle.
Ifthe easy entryandexitfeature is active,thesteering wheel will moveupwards andthe driv‐er's seat will moveback inthefollowing situa‐tions:
Ryou switchthe ignition off whenthe driver'sdoor is open
Ryou openthe driver's door whenthe ignitionis switched off
Thesteering wheel will moveupwards onlyifit is not already as high as it will go. The driv‐er's seat will movebackwards only if it is notalready intherearmost position.
Thesteering wheel andthe driver's seat willmovebacktothe last drive position inthefol‐lowing cases:
Ryou switchthe power supplyorthe ignitionon whenthe driver's door is closed
Ryou closethe driver's door whenthe ignitionis switched on
The last drive position isstored inthefollowingsituations:
Ryou switchthe ignition off
RVehicles with memory function:call uptheseat settings viathe memory function.
RVehicles with memory function:savetheseat settings viathe memory function.
Vehicles with memory function:press one ofthe memory function saved position buttonstostopthe adjustment process.
Settingthe easy entry andexitfeature
Multimedia system:
VehicleîVehicle SettingsEasy
Entry/Exit
SelectSteering Wheel & Seat,SteeringWheel OnlyorOff.
Operatingthe memory function
\nWARNINGRisk of an accident ifthememory function is used while driving
Ifyou usethe memory function onthe driv‐er's side while driving,you could lose controlofthevehicle as aresult ofthe adjustmentsbeing made.
Only usethe memory function onthedriver's side whenthevehicle isstation‐ary.
\nWARNINGRisk of entrapment when set‐tingthe seat withthe memory function
Whenthe memory function adjuststhe seat,you andothervehicle occupants – particu‐larlychildren – could become trapped.
Duringthe adjustment process ofthememory function, make surethat noone has any body parts inthe sweep ofthe seat.
Seats andstowing101